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Canadian Solar (CSIQ) COO exercises 1,660 RSUs and withholds 983 shares for taxes

(Neutral)
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Canadian Solar Inc. Chief Operating Officer Dylan Marx reported routine equity compensation activity involving Restricted Share Units and common stock. On May 26, 2026, he exercised 1,660 Restricted Share Units into an equal number of common shares at $0.00 per share as a derivative exercise.

On the same date, 983 common shares were disposed of at an average price of $19.4516 per share as a tax-withholding disposition, meaning the shares were delivered to cover tax obligations rather than sold in the open market. Following these transactions, Marx directly owned 4,554 common shares of Canadian Solar.

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Insider Marx Dylan
Role Chief Operating Officer
Type Security Shares Price Value
Exercise Restricted Share Units 1,660 $0.00 $0.00
Exercise Common Stock 1,660 $0.00 $0.00
Exercise Price or Tax Liability Common Stock 983 $19.4516 $19K
Holdings After Transaction: Restricted Share Units — 11,840 shares (Direct); Common Stock — 4,554 shares (Direct)
Footnotes (1)
  1. F1. These RSUs have no expiration date.
Tax-withholding shares 983 shares at $19.4516 Common stock disposed of for tax withholding on May 26, 2026
RSUs exercised 1,660 RSUs Restricted Share Units converted to common stock at $0.00 exercise price
Shares held after 5,537 shares Common stock directly owned by Dylan Marx after transactions
RSUs expiration No expiration date Footnote states these Restricted Share Units have no expiration date
Restricted Share Units financial
"The filing shows a derivative exercise of 1,660 Restricted Share Units"
Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.
tax-withholding disposition financial
"983 common shares were disposed of as a tax-withholding disposition"
A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.
derivative exercise/conversion financial
"He exercised 1,660 Restricted Share Units into an equal number of common shares as a derivative exercise"

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FAQ

What insider transactions did Canadian Solar (CSIQ) report for COO Dylan Marx?

Canadian Solar COO Dylan Marx exercised 1,660 Restricted Share Units into common stock and had 983 common shares disposed of for tax withholding. These transactions on May 26, 2026 are routine compensation-related events rather than open-market buying or selling activity.

How many Canadian Solar (CSIQ) shares does COO Dylan Marx hold after this Form 4?

After the reported transactions, Dylan Marx directly holds 5,537 Canadian Solar common shares. This reflects the net impact of exercising 1,660 Restricted Share Units and the tax-withholding disposition of 983 shares used to satisfy associated tax obligations on May 26, 2026.

Was the Canadian Solar (CSIQ) Form 4 a market sale by the COO?

The Form 4 shows no open-market sale by the COO. Instead, 983 shares were disposed of as a tax-withholding transaction at $19.4516 per share, covering tax liabilities tied to the exercise of 1,660 Restricted Share Units into common stock.

What does the tax-withholding disposition in the Canadian Solar (CSIQ) Form 4 mean?

The tax-withholding disposition means 983 Canadian Solar shares were delivered to cover tax liabilities, not sold on the market. This is labeled with transaction code F, described as payment of tax liability by delivering securities rather than a discretionary sale by the insider.

What derivative activity involving RSUs is disclosed for Canadian Solar (CSIQ) COO Dylan Marx?

The filing shows a derivative exercise of 1,660 Restricted Share Units, converting them into 1,660 Canadian Solar common shares at a $0.00 exercise price. A related footnote notes these RSUs have no expiration date, highlighting they function as time-vested equity compensation.
SEC Form 4
FORM 4UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number:3235-0287
Estimated average burden
hours per response:0.5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.
1. Name and Address of Reporting Person*
Marx Dylan

(Last)(First)(Middle)
C/O CANADIAN SOLAR INC,
4273 KING STREET EAST, SUITE 102

(Street)
KITCHENERN2P 2E9

(City)(State)(Zip)

ONTARIO, CANADA

(Country)
2. Issuer Name and Ticker or Trading Symbol
Canadian Solar Inc. [ CSIQ ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Operating Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
05/26/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm filed by One Reporting Person
Form filed by More than One Reporting Person
4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year)2A. Deemed Execution Date, if any (Month/Day/Year)3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeVAmount(A) or (D)Price
Common Stock05/26/2026M1,660A$0.005,537D
Common Stock05/26/2026F983D$19.45164,554D
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year)3A. Deemed Execution Date, if any (Month/Day/Year)4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year)7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Restricted Share Units$0.0005/26/2026M1,66005/23/2026 (1)Common Stock1,660$0.0011,840D
Explanation of Responses:
1. These RSUs have no expiration date.
/s/ Dylan Marx05/28/2026
** Signature of Reporting PersonDate
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)